About Us

O’Connor, Carnathan and Mack helps people and companies resolve their disputes as quickly and cost effectively as possible.

About Us

OCM’s attorneys offer deep expertise in all dispute resolution forums. Our named partners all have over 20 years of experience, focused exclusively on litigation and related forms of dispute resolution. None of our attorneys have less than 3 years experience. Whether pursuing negotiation, mediation, arbitration or trial, OCM helps its clients solve problems. We are dedicated to excellence.

O’Connor, Carnathan & Mack has represented a diverse cross section of industry leaders in complex litigation and related matters. Its clients have included local, national, and international corporations primarily in the financial, technology, insurance and retail industries, such as:

Financial

State Street Bank and Trust Company

Baystate Financial Services, LLC

Baystate Wealth Management, LLC

Tuckerbrook Alternative Investments, LP

Tuckerbrook SB Global Special Situations Fund, LP

Tuckerbrook SB Global Distressed Fund, LP

Morningside Venture Capital Morningside Group, LLC

Wellesley Companies, Inc.

Stone Canyon Limited Partnership

BPR Group Limited Partnership

New Killarney Limited Partnership

Via De Neri Capital, LLC

K Capital Management

Edelstein & Company

Fortune Wakefield

Northcan Investments, LTD

Technology Companies

Evergreen Solar, Inc.

Excelitas Technologies

Kaspersky Lab, Inc.

Mirror Image Internet, Inc.

Organogenesis, Inc.

Sonus Networks, LLC

Polestar Technologies, Inc.

Virtual Iron Software, Inc.

AisleBuyer, LLC

Bridgeline Digital

Relicore

Insurance Industry

Massachusetts Insurers Insolvency Fund

New Hampshire Insurance Guaranty Association

Larson Insurance Agency

Hub International

Retailers

Circuit City Stores, Inc.

Staples, Inc.

E.D. Bessey Lumber

George Howell Coffee Company

Second Time Around

Other Major Companies and Institutions

Comcast Corporation

Massachusetts Bay Transportation Authority (MBTA)

Partners Healthcare

Analysis Group

Massachusetts Society for Prevention of Cruelty to Animals (MSPCA-Angell)